//The MIT License (MIT)
//
//Copyright (c) 2018 dote
//
//Permission is hereby granted, free of charge, to any person obtaining a copy of
//this software and associated documentation files (the "Software"), to deal in
//the Software without restriction, including without limitation the rights to
//use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
//the Software, and to permit persons to whom the Software is furnished to do so,
//subject to the following conditions:
//
//The above copyright notice and this permission notice shall be included in all
//copies or substantial portions of the Software.
//
//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
//FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
//COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
//IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
//CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package com.github.dote.mio.netty;

import com.github.dote.mio.server.IOServer;
import com.github.dote.mio.server.handler.PacketHandler;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;

public class MIOClientInboundHandler extends SimpleChannelInboundHandler<ByteBuf> {
    private static Logger logger = LoggerFactory.getLogger(MIOClientInboundHandler.class);

    private PacketHandler packetHandler = null;

    public MIOClientInboundHandler(PacketHandler packetHandler) {
        this.packetHandler = packetHandler;
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable e) {
        try {
            packetHandler.exceptionCaught(ctx, e);
        } catch (Exception e2) {
            logger.warn(e2.getMessage(), e);
        }
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        super.channelActive(ctx);
        packetHandler.connect(ctx);
    }

    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
        super.channelInactive(ctx);
        packetHandler.disconnect(ctx);
    }

    @Override
    protected void channelRead0(ChannelHandlerContext ctx, ByteBuf bytebuf) throws Exception {
        packetHandler.handler(ctx.channel(), bytebuf);
    }
}
